2620280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5039}}^1$

素因数の和:5063

約数の個数: 32

約数和(自身を含む): 6350400

約数和(自身を除く): 3730120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 5039, 10078, 20156, 25195, 40312, 50390, 65507, 100780, 131014, 201560, 262028, 327535, 524056, 655070, 1310140, 2620280]

約数ペア:

[(1, 2620280), (2, 1310140), (4, 655070), (5, 524056), (8, 327535), (10, 262028), (13, 201560), (20, 131014), (26, 100780), (40, 65507), (52, 50390), (65, 40312), (104, 25195), (130, 20156), (260, 10078), (520, 5039)]